image-js/lib/maskAnalysis/utils/getAngle.d.ts

Image processing and manipulation in JavaScript

import type { Point } from '../../utils/geometry/points.js';
/**
 * The angle in radians of a vector relatively to the x axis.
 * The angle is positive in the clockwise direction.
 * This is an optimized version because it assumes that one of
 * the points is on the line y = 0.
 * @param p1 - First point.
 * @param p2 - Second point.
 * @returns Rotation angle in radians to make the line horizontal. -π <= angle <= π.
 */
export declare function getAngle(p1: Point, p2: Point): number;
/**
 * Compute the clockwise angle in radians between the x-axis and the segment p1-p2.
 * @param p1 - First point.
 * @param p2 - Second point.
 * @returns Clockwise angle between x-axis and the segment.
 */
export declare function getClockwiseAngle(p1: Point, p2: Point): number;
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